[Harry and Luna are the last two students to arrive at the school] Professor Filius Flitwick: There you are! We've been looking everywhere for you two. [looks at his register] Professor Filius Flitwick: Now, names? Harry Potter: Professor Flitwick, y...
Lavender Brown: [runs into the hospital wing, after Ron's been poisoned] Where is he? Where's my Won-Won? Has he been asking for me? [sees Hermione sitting next to Ron's bed] Lavender Brown: What is she doing here? Hermione Granger: [stands] I might ...
Hermione Granger: [after she sees Ron accepting an embarrassing necklace from Lavender] Excuse me, I have to go vomit.
Luna Lovegood: I've never been to this part of the castle. Well, not awake. I sleepwalk, you see. That's why I wear shoes to bed.
Professor Minerva McGonagall: Mr. Davis! Mr. Davis, that is the girls' lavatory.
Harry Potter: What brings you here, sir? Horace Slughorn: [good-naturedly/drunkenly] Oh, the Three Broomsticks and I go way back! Farther back than I care to admit! Ho ho ho... Why I can remember when it was just ONE Broomstick! [Slughorn chuckles an...
Harry Potter: Did you know, sir? Then? Albus Dumbledore: Did I know that I just met the most dangerous dark wizard of all time? No.
Remus Lupin: You're blinded by hatred. Harry Potter: No I'm not! Remus Lupin: Yes you are!
Argus Filch: [Holding Malfoy] Professor Slughorn, sir. I've just discovered this boy lurking in an upstairs corridor. He claims to be invited to your party. Draco Malfoy: Ok! Ok! I was gate crashing. Happy?
Severus Snape: [Snape has just walked in on Harry and Cormac. Harry attempts to run away] Not... so fast, Potter. Harry Potter: Sorry, sir, but I really should be getting back to the party. My date... Severus Snape: Can surely survive another minute ...
Horace Slughorn: [in regard to returning to Hogwarts] All right, I'll do it! But I want Professor Merrythought's office, not that water closet I had before. And I want a raise, these are mad times we live in. MAD!
Ron Weasley: [about the Half-Blood Prince's book] He even sleeps with it. Harry Potter: I don't sleep with it!
Neville Longbottom: [serving drinks at Slughorn's Christmas party] I didn't get into the Slug Club. It's okay, though. He's got Belby handing out towels in the loo.
Horace Slughorn: [during Aragog's funeral] Farewell, Aragog. King of the arachnids. Your body will decay... but your spirit lingers on and your human friends find solace, the loss they have sustained.
Albus Dumbledore: Draco, years ago I knew a boy who made all the wrong choices. Please let me help you! Draco Malfoy: [crying] I don't need your help! Don't you understand? I have to do this! I have to kill you... or he's gonna kill me!
Harry Potter: Incarcerous! [Snape blocks the curse] Harry Potter: Fight back!, you coward! Fight back! [Bellatrix shoots a curse at Harry] Severus Snape: No! He belongs to the Dark Lord! Harry Potter: Sectumsempra! [Snape blocks the curse again, thro...
Dolores Umbridge: [Spoken by mockery doll of Dolores Umbridge] I will have order! I really do hate children.
Albus Dumbledore: [after Harry confusedly finishes viewing a memory from Dumbledore's pensieve] Confused? I'd be surprised if you weren't. Harry Potter: Well, I don't understand. What happened? Albus Dumbledore: This is perhaps the most important mem...